A downturn maybe, but probably not a full-on crash. Look at this: <a href="http://www.multpl.com/shiller-pe/" rel="nofollow">http://www.multpl.com/shiller-pe/</a>
also
<a href="http://techcrunch.com/2015/08/24/facebook-down-12-1-apple-down-10-google-down-6-5-microsoft-down-5-8-as-stock-markets-plummet/" rel="nofollow">http://techcrunch.com/2015/08/24/facebook-down-12-1-apple-do...</a>